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发明名称
Electric valve converting apparatus
摘要
申请公布号
US2231604(A)
申请公布日期
1941.02.11
申请号
US19390301418
申请日期
1939.10.26
申请人
GENERAL ELECTRIC COMPANY
发明人
STEBBINS FREDERICK O.
分类号
H02M7/06
主分类号
H02M7/06
代理机构
代理人
主权项
地址
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